4987750

素因数分解:

$2^1\times 5^3\times {\mathrm{71}}^1\times {\mathrm{281}}^1$

素因数の和:369

約数の個数: 32

約数和(自身を含む): 9502272

約数和(自身を除く): 4514522

約数列:

[1, 2, 5, 10, 25, 50, 71, 125, 142, 250, 281, 355, 562, 710, 1405, 1775, 2810, 3550, 7025, 8875, 14050, 17750, 19951, 35125, 39902, 70250, 99755, 199510, 498775, 997550, 2493875, 4987750]

約数ペア:

[(1, 4987750), (2, 2493875), (5, 997550), (10, 498775), (25, 199510), (50, 99755), (71, 70250), (125, 39902), (142, 35125), (250, 19951), (281, 17750), (355, 14050), (562, 8875), (710, 7025), (1405, 3550), (1775, 2810)]